LTC2635CMSE-HZ8#TRPBF

Overview

The LTC2635CMSE-HZ8#TRPBF is a quad 8-bit voltage-output digital-to-analog converter (DAC) from Analog Devices, housed in a 10-lead MSOP package. It features an integrated precision reference with a full-scale output of 2.5V and a temperature coefficient of 10ppm/°C. The device operates on a single supply ranging from 2.7V to 5.5V and includes rail-to-rail output buffers that are guaranteed monotonic over the commercial temperature range of 0°C to 70°C. Communication is handled via a 2-wire I2C-compatible serial interface supporting standard (100kHz) and fast (400kHz) modes. A power-on reset circuit defaults outputs to zero-scale.

Feature Summary

• Quad 8-bit DAC architecture with integrated 2.5V precision reference
• Rail-to-rail buffered outputs guaranteed monotonic from 0°C to 70°C
• I2C-compatible serial interface with selectable slave addresses
• Power-on reset to zero-scale with low power consumption (0.6mA at 3V)

Applications

• Mobile communications systems
• Process control and industrial automation
• Portable equipment requiring low power

Procurement Notes

Verify the specific suffix #TRPBF indicates lead-free construction and tape-and-reel packaging containing 2,500 pieces. Confirm the MSE package designation corresponds to the 10-lead MSOP form factor. Ensure the C-grade temperature rating aligns with the intended operating environment requirements.

Selection Notes

Select this part for applications requiring four independent 8-bit channels with a fixed 2.5V internal reference. The H-grade variant is necessary if operation below 0°C or above 70°C is required. External reference mode is available by applying voltage to the REF pin, overriding the internal 2.5V setting.

Part Context

This component belongs to the LTC2635 family, which also offers 10-bit and 12-bit resolutions. Higher resolution variants within the same series provide tighter integral nonlinearity specifications, such as ±2.5 LSB for the 12-bit version compared to ±0.5 LSB for the 8-bit model.

Replacement Considerations

Direct functional substitutes include other parts from the LTC2635 family with different resolutions (LTC2635CMSE-HZ10, LTC2635CMSE-HZ12) or reset configurations (LMX, LMI). Cross-family replacements require verification of pin compatibility and I2C register mapping.